PA2010-1

Stool: Endolimax nana, Blastocystis species –  Shipped September 21, 2020

Educational Highlights

  • One should be aware that the nuclear chromatin arrangement of Dientamoeba fragilis can mimic that of E. nana, especially if the parasites have been overstained, Thus one should be careful not to misdiagnose the two protozoans.
  • Of the seven species of intestinal amebae Entamoeba hartmanni, Entamoeba dispar, Entamoeba coli, Entamoeba polecki, Endolimax nana, and Iodoamoeba butschlii are non-pathogenic to humans. Their presence in faeces however, indicates that sanitary conditions may not be adequate.

Full critique (PDF)

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